The rolling block action is generally recognized as one of the strongest ever made. The pivoting action of its breachblock and hammer act together to form and exceptionally strong closure with the barrel on firing. It is a single shot pistol with an eight inch round barrel. About 6,000 of these pistols were manufactured by Remington in Ilion, New York between 1872 and 1888. About 5,100 of these went to the U.S. Army and the remainder were sold to civilians. The government pistols have an inspector’s impression (usually C.R.S.).